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Doctoral Thesis
DOI
https://doi.org/10.11606/T.14.2012.tde-27082012-025008
Document
Author
Full name
Roberto Bertoldo Menezes
E-mail
Institute/School/College
Knowledge Area
Date of Defense
Published
São Paulo, 2012
Supervisor
Committee
Steiner, Joao Evangelista (President)
Ardila, Alberto Rodríguez
Oliveira, Claudia Lucia Mendes de
Pino, Elisabete Maria de Gouveia Dal
Riffel, Rogemar André
Title in Portuguese
Espectroscopia 3D de núcleos ativos de galáxias: tratamento e análise de dados no óptico e infravermelho próximo
Keywords in Portuguese
AGN
cubos de dados
espectroscopia
núcleos ativos de galáxias
Abstract in Portuguese
Nesse trabalho, foi feito o tratamento e a análise de cubos de dados de 8 núcleos ativos de galáxias próximos, no óptico e no infravermelho. O tratamento e a análise de todos os cubos de dados foram feitos utilizando-se uma série de metodologias específicas, muitas das quais foram desenvolvidas nos últimos anos pelo grupo de trabalho do autor. A análise de todos os cubos de dados foi feita com quatro objetivos principais: análise da fenomenologia geral nos arredores do AGN com a Tomografia PCA; análise das populações estelares, da emissão térmica de poeira e do featureless continuum nos arredores do AGN com uma síntese espectral feita com o software Starlight; análise da cinemática estelar e do gás ao redor do buraco negro central e, em alguns casos, simulação com o objetivo de se determinar a massa do buraco negro; análise dos mecanismos de excitação e ionização do gás ou da emissão de hidrogênio molecular.
Title in English
3D spectroscopy of active galactic nuclei: treating and analysing data in the optical and near infrared.
Keywords in English
active galactic nuclei
AGN
data cubes
spectroscopy
Abstract in English
In this work, we have treated and analyzed data cubes of 8 nearby active galactic nuclei, in the optical and in the infrared. All data cube treatment and analysis were performed using a series of specific methodologies, many of which were developed in the last few years by the author's working group. The analysis of all data cubes was performed with four main objectives: analysis of the general phenomenology of the AGN environment, using PCA Tomography; analysis of the stellar populations, of the thermal emission from dust and of the featureless continuum in the vicinity of the AGN, with a spectral synthesis performed with the Starlight software; analysis of the stellar and gas kinematics around the central black hole and, in some cases, simulations with the purpose of determining the mass of the black hole; analysis of the excitation and ionization mechanisms of the gas or of the emission from molecular hydrogen.
 
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Publishing Date
2012-09-05
 
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